An assault prompted a campuswide alert at Carroll University just after 4 p.m. Friday.

Waukesha police said a man approached a female student from behind and grabbed her between the legs.

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The attacker, who is believed to be a college-age white man, ran away after the incident. He was seen wearing a blue sweatshirt and long pants.

Authorities are unsure if the man attends Carroll.

University officials sent students a campus email alert.

"Our Department of Public Safety continues to work closely and in cooperation with the Waukesha Police Department as they investigate this incident and work to apprehend the suspect,” the university stated in a release.

Authorities said they are increasing security around campus throughout the weekend.

"I'm definitely more aware of people,” said Caity Ashmus, a freshman, following the incident. “I'm keeping an eye out even though it was last night."